[SOLVED] 0 to 60 (sixty) seconds monostable 555 timer

[hirenn]

Hi !

i know how to design monostable multi vibrator using 555 ic ,
but cant know to make it using variable resistor and fixed capacitor value upto 60 seconds

thanks

 

[ud23]

http://555-timer-circuits.uk/operation/one-shot.html
http://www.csgnetwork.com/ne555timer1calc.html

I guess this will help you

 

[hirenn]

thanks ud23

i get it ,but i want use vatiable resistor.

 

[ud23]

i get it ,but i want use vatiable resistor.

why you want to use variable resistor?If i am getting your question correct then you want to get one pulse at every 60 sec.I mean monostable generate pulse when riches the time fixed

 

[hirenn]

hello
actually i want to get variable time from 0 to 60 (sixty) seconds, so i want variable resistor
can you plz help me

 

[ud23]

https://www.electronics-tutorials.ws/waveforms/555_timer.html

you can do with one fixed resistor in series with variable resistor.